你竟敢在我朋友面前侮辱我！

How dare you ___insult me in front of my friends!

嘲笑他人真诚的努力是对他们的侮辱。

To laugh at someone's sincere effort is to ___insult them.

他们随意否决他的想法，这让他感到深受侮辱。

He felt deeply ___insulted by their casual dismissal of his ideas.